/*
 * Created on 13-Dec-2004
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package com.aelitis.azureus.core.proxy.socks.impl;

import java.net.InetAddress;

import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.HostNameToIPResolver;

import com.aelitis.azureus.core.proxy.socks.AESocksProxyAddress;

/**
 * @author parg
 * 
 */

public class AESocksProxyAddressImpl implements AESocksProxyAddress {
    protected String unresolved_address;
    protected InetAddress address;
    protected int port;

    protected AESocksProxyAddressImpl(String _unresolved_address, InetAddress _address, int _port) {
        unresolved_address = _unresolved_address;
        address = _address;
        port = _port;

        if (address == null) {

            // see if we've been passed an IP address as unresolved
            // TODO: IPV6 one day?

            int dots = 0;
            boolean ok = true;

            for (int i = 0; i < unresolved_address.length(); i++) {

                char c = unresolved_address.charAt(i);

                if (c == '.') {

                    dots++;

                    if (dots > 3) {

                        ok = false;

                        break;
                    }
                } else if (!Character.isDigit(c)) {

                    ok = false;

                    break;

                } else {

                    // nnn.nnn.nnn.nnn

                    if (i > 15) {

                        ok = false;

                        break;
                    }
                }
            }

            if (ok && dots == 3) {

                try {
                    address = HostNameToIPResolver.syncResolve(unresolved_address);

                } catch (Throwable e) {

                    Debug.printStackTrace(e);
                }
            }
        }
    }

    public String getUnresolvedAddress() {
        return (unresolved_address);
    }

    public InetAddress getAddress() {
        return (address);
    }

    public int getPort() {
        return (port);
    }
}
